#
# This file is part of the PyMeasure package.
#
# Copyright (c) 2013-2021 PyMeasure Developers
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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from pymeasure.instruments import Instrument

class HP34401A(Instrument):
    """ Represents the HP 34401A instrument.
    """

    voltage_dc = Instrument.measurement("MEAS:VOLT:DC? DEF,DEF", "DC voltage, in Volts")
    
    voltage_ac = Instrument.measurement("MEAS:VOLT:AC? DEF,DEF", "AC voltage, in Volts")
    
    current_dc = Instrument.measurement("MEAS:CURR:DC? DEF,DEF", "DC current, in Amps")
    
    current_ac = Instrument.measurement("MEAS:CURR:AC? DEF,DEF", "AC current, in Amps")
    
    resistance = Instrument.measurement("MEAS:RES? DEF,DEF", "Resistance, in Ohms")
    
    resistance_4w = Instrument.measurement("MEAS:FRES? DEF,DEF", "Four-wires (remote sensing) resistance, in Ohms")

    def __init__(self, resourceName, **kwargs):
        super(HP34401A, self).__init__(
            resourceName,
            "HP 34401A",
            **kwargs
        )